. >> san francisco mayor is supporting gun control following killings in newtown, connecticut. >> what the mayor is planning. >> happening san francisco, the mayor just announced he'll support local legislation to try to reduce gun violence, on january 15th one supervisor will introduce two pieces of legislation first would add ammunition, like hollow point bullets which cause great bodily injury. second states if you buy 500 or more rounds of ammo it will be reported to police at the time of purchase, ed lee says he's behind both of them. mayor lee says he will reach out to other bay area mayors to ask them to support similar plans to ban assault weapons. a buy back program yielded several hundred rifles and other weapons. a memorial was held for a 17-year-old killed over the weekend.w#?a the san francisco archdiocese organized that event. according to city officials there have been 67 homicides so far in san francisco this year. last year, there were 50. in san francisco, abc 7 news. >> a number of tributes to the newtown victims are planned for tomorrow a week after the shooting. >